CN111185378A - Block type double-layer composite wear-resistant sieve plate and manufacturing process thereof - Google Patents

Block type double-layer composite wear-resistant sieve plate and manufacturing process thereof Download PDF

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Publication number
CN111185378A
CN111185378A CN201911257765.2A CN201911257765A CN111185378A CN 111185378 A CN111185378 A CN 111185378A CN 201911257765 A CN201911257765 A CN 201911257765A CN 111185378 A CN111185378 A CN 111185378A
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CN
China
Prior art keywords
wear
layer
resistant
sieve plate
atress
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911257765.2A
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Chinese (zh)
Inventor
李庶
刘永红
张鹤
张亮
夏忠勇
戴岳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rishangsheng New Building Material Design And Research Institute Co Ltd
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Rishangsheng New Building Material Design And Research Institute Co Ltd
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Publication date
Application filed by Rishangsheng New Building Material Design And Research Institute Co Ltd filed Critical Rishangsheng New Building Material Design And Research Institute Co Ltd
Priority to CN201911257765.2A priority Critical patent/CN111185378A/en
Publication of CN111185378A publication Critical patent/CN111185378A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4618Manufacturing of screening surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4663Multi-layer screening surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/469Perforated sheet-like material

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention discloses a spliced double-layer composite wear-resistant sieve plate and a manufacturing process thereof, and relates to the field of screening devices, mainly comprising a wear-resistant layer, a stress bearing layer and wear-resistant blocks, wherein a plurality of round holes are uniformly distributed on the stress bearing layer; the manufacturing process comprises assembling, bonding, attaching and demolding. The invention has the beneficial effects that: the sieve plate with the double-layer composite structure has both wear resistance and toughness, and the service life of the sieve plate is effectively prolonged, so that the current situation that the sieve plate needs to be frequently replaced due to abrasion in the working process of the vibrating screen is avoided.

Description

Block type double-layer composite wear-resistant sieve plate and manufacturing process thereof
Technical Field
The invention relates to the field of screening devices, in particular to a spliced double-layer composite wear-resistant sieve plate and a manufacturing process thereof.
Background
The vibrating screen is a material grading device, which comprises an excitation device, a screen box, a screen plate and the like, wherein the screen box and the screen plate are driven to vibrate through the operation of the excitation device in the screening working process, material particles larger than the size of the screen holes are reserved on the screen surface, and material particles smaller than the size of the screen holes are screened out through the screen holes, so that the separation of materials is realized. The sieve plate is a key component in the vibration sieving equipment, and mainly plays a role in grading materials, and the abrasion is a main failure mode of the sieve plate.
In the commonly used sieve plate materials, high manganese steel is the most common metal material, and the high manganese steel material has the advantages that under the strong impact or heavy load working condition, due to the work hardening characteristic of the high manganese steel, the surface hardness of the high manganese steel is rapidly improved, but in the vibration sieving equipment, the impact force generated by the material is small, the work hardening effect is not obvious, the surface hardness of the high manganese steel is not enough to be obviously improved, and therefore under the sieving working condition, the high manganese steel material is quickly abraded due to insufficient hardness.
The polyurethane material is another common sieve plate material, and the polyurethane sieve plate is characterized by high wear resistance and long service life, but is expensive, and has lower sieving efficiency than a metal sieve plate due to lower opening rate than the metal sieve plate.
Therefore, it is necessary to develop a composite wear-resistant sieve plate with wear resistance, toughness, high overall strength and long service life.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a spliced double-layer composite wear-resistant sieve plate and a manufacturing process thereof, so that the service life of the sieve plate is prolonged on the premise of maintaining higher sieving efficiency.
The purpose of the invention is achieved by the following technical scheme: this kind of piece together double-deck compound wear-resisting sieve of formula mainly includes wearing layer, atress bearer layer and wear-resisting piece, a plurality of round holes of evenly distributed on the atress bearer layer, wear-resisting piece bottom intermediate position department opens there is the semicircle orifice, and it has the quarter round hole to open at top bilateral symmetry, and the semicircle orifice is the same with the radius of quarter round hole and equals the round hole radius on the atress bearer layer, and a plurality of wear-resisting pieces splice in proper order and form the wearing layer the same with atress bearer layer structure, and the wearing layer is located atress bearer layer top and laminates each other, and the round hole that the concatenation formed on the wearing layer forms the sieve mesh with the round hole position one-to-.
Furthermore, the stress bearing layer is made of steel materials through a punching process; the wear-resistant block is cast and molded by high-chromium cast iron or sintered and molded by ceramic materials at high temperature.
The manufacturing process of the double-layer composite wear-resistant sieve plate comprises the following steps:
1. assembling: firstly, brushing a release agent in a positioning mould, and then putting the wear-resistant blocks into the positioning mould for splicing;
2. bonding: after the assembly is completed, brushing an adhesive on the surface of each side edge of each wear-resistant block, so that the adhesive permeates into gaps among the wear-resistant blocks, and the sufficient using amount of the adhesive is ensured to form a wear-resistant layer;
3. attaching: after brushing a layer of glue on the surface of the stressed bearing layer, which is in contact with the wear-resistant layer, placing the stressed bearing layer into a positioning mould, and bonding the stressed bearing layer and the wear-resistant layer;
4. demolding: the positioning die is placed in an overturning mode, the stress bearing layer is arranged at the bottom, the wear-resistant layer is arranged in the middle, the positioning die is arranged at the top, and demolding is carried out after the wear-resistant layer and the stress bearing layer are solidified, so that the composite wear-resistant plate is manufactured.
Furthermore, the positioning mould is a disposable plastic thin shell, and the thickness of the positioning mould is 0.2-2 mm.
Furthermore, in the step 4, the wear-resistant layer and the stressed bearing layer can be cured at normal temperature, and can also be cured at high temperature in a curing furnace according to the specific characteristics of the adhesive.
The invention has the beneficial effects that: the double-layer composite structure sieve plate has both wear resistance and toughness, and can effectively prolong the service life of the sieve plate on the premise of ensuring the integral toughness of the composite sieve plate.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the wear-resistant layer and the load-bearing layer.
Fig. 3 is a structural schematic diagram of the wear-resistant block.
Fig. 4 is a schematic structural view of the positioning mold.
Description of reference numerals: the device comprises a wear-resistant layer 1, a stress bearing layer 2, sieve holes 3, wear-resistant blocks 4, semicircular holes 4-1, quarter round holes 4-2 and a positioning die 5.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example (b): as shown in the attached drawing, the spliced double-layer composite wear-resistant sieve plate mainly comprises a wear-resistant layer 1, a stress bearing layer 2 and wear-resistant blocks 4, wherein a plurality of round holes are uniformly distributed on the stress bearing layer 2, a semicircular hole 4-1 is formed in the middle position of the bottom of each wear-resistant block 4, quarter round holes 4-2 are symmetrically formed in the two sides of the top of each wear-resistant block 4, the radius of each semicircular hole 4-1 is equal to that of the corresponding round hole in the stress bearing layer 2, the wear-resistant blocks 4 are sequentially spliced to form a wear-resistant layer 1 with the same structure as that of the stress bearing layer 2, the wear-resistant layer 1 is positioned above the stress bearing layer 2 and mutually attached, and the round holes formed in the wear-resistant layer 1 and the round holes in the stress bearing layer 2 are in; the stress bearing layer 2 is made of steel materials through a punching process; the wear-resistant block 4 is cast and molded by high-chromium cast iron or sintered and molded by ceramic materials at high temperature.
The manufacturing process of the double-layer composite wear-resistant sieve plate comprises the following steps:
1. assembling: firstly, brushing a release agent in a positioning die 5, and then putting the wear-resistant block 4 into the positioning die 5 for splicing;
2. bonding: after the assembly is completed, brushing an adhesive on the surface of each side edge of each wear-resistant block 4, so that the adhesive permeates into gaps among the wear-resistant blocks, and the sufficient dosage of the adhesive is ensured to form a wear-resistant layer 1;
3. attaching: after a layer of glue is brushed on the surface of the stress bearing layer 2 in contact with the wear-resistant layer 1, the stress bearing layer is placed into a positioning die 5 and is bonded with the wear-resistant layer 1;
4. demolding: the positioning die 5 is placed in an overturning mode, the stress bearing layer 2 is arranged at the bottom, the wear-resistant layer 1 is arranged in the middle, the positioning die 5 is arranged at the uppermost position, demolding is carried out after the wear-resistant layer 1 and the stress bearing layer 2 are solidified, and the preparation of the composite wear-resistant plate is completed.
Preferably, the positioning die 5 is a disposable plastic thin shell with the thickness of 0.2-2 mm.
Further, in the step 4, the wear-resistant layer 1 and the stressed bearing layer 2 can be cured at normal temperature, and can also be cured at high temperature in a curing furnace according to the specific characteristics of the adhesive.
According to the composite wear-resistant sieve plate, the wear-resistant layer made of high-chromium cast iron or ceramic material and the stress bearing layer made of steel material are spliced to form the composite wear-resistant sieve plate with a double-layer structure, the sieve plate with the double-layer composite structure has both wear resistance and toughness, the service life of the sieve plate can be effectively prolonged on the premise of ensuring the integral toughness of the composite sieve plate, and therefore the current situation that the sieve plate needs to be frequently replaced due to abrasion in the working process of the vibrating screen is avoided. The production cost is reduced while the production efficiency is improved.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.

Claims (5)

1. The utility model provides a piece together double-deck compound wear-resisting sieve which characterized in that: mainly include wearing layer (1), atress bearer layer (2) and wear-resisting piece (4), evenly distributed a plurality of round holes are gone up in atress bearer layer (2), wear-resisting piece (4) bottom intermediate position department is opened semicircle orifice (4-1), and it has quarter round hole (4-2) to open in top bilateral symmetry, and semicircle orifice (4-1) are the same with the radius of quarter round hole (4-2) and equal to the round hole radius on atress bearer layer (2), and a plurality of wear-resisting piece (4) splice in proper order and form wearing layer (1) the same with atress bearer layer (2) structure, and wearing layer (1) are located atress bearer layer (2) top and laminate each other, and the round hole that concatenation formed on wearing layer (1) and the round hole position one-to-one formation sieve mesh (3) on the atress bearer layer (2).
2. The modular double-deck composite wear-resistant screen deck of claim 1, wherein: the stress bearing layer (2) is made of steel materials through a punching process; the wear-resistant block (4) is formed by casting high-chromium cast iron or by high-temperature sintering of a ceramic material.
3. A process for manufacturing a composite wear resistant modular double deck screen panel as claimed in claim 1, wherein: the process comprises the following steps:
(1) and assembling: firstly, brushing a release agent in a positioning die (5), and then putting the wear-resistant blocks (4) into the positioning die (5) for splicing;
(2) and bonding: after the assembly is completed, brushing an adhesive on the surface of each side edge of each wear-resistant block (4) to enable the adhesive to permeate into gaps among the wear-resistant blocks and ensure that the amount of the adhesive is sufficient to form a wear-resistant layer (1);
(3) and bonding: after a layer of glue is brushed on the surface of the stress bearing layer (2) contacted with the wear-resistant layer (1), the stress bearing layer is placed into a positioning mould (5) and is bonded with the wear-resistant layer (1);
(4) and demolding: and (2) placing the positioning mould (5) in an overturning way, so that the stressed bearing layer (2) is arranged at the bottom, the wear-resistant layer (1) is arranged in the middle, the positioning mould (5) is arranged at the uppermost position, and demoulding is carried out after the wear-resistant layer (1) and the stressed bearing layer (2) are solidified, namely the preparation of the composite wear-resistant plate is completed.
4. The manufacturing process of the block type double-layer composite wear-resistant sieve plate according to claim 3, characterized in that: the positioning mould (5) is a disposable plastic thin shell, and the thickness of the plastic thin shell is 0.2-2 mm.
5. The manufacturing process of the block type double-layer composite wear-resistant sieve plate according to claim 3, characterized in that: in the step (4), the wear-resistant layer (1) and the stress bearing layer (2) can be cured at normal temperature, and can also be cured at high temperature in a curing furnace according to the specific characteristics of the adhesive.
CN201911257765.2A 2019-12-10 2019-12-10 Block type double-layer composite wear-resistant sieve plate and manufacturing process thereof Pending CN111185378A (en)

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Application Number Priority Date Filing Date Title
CN201911257765.2A CN111185378A (en) 2019-12-10 2019-12-10 Block type double-layer composite wear-resistant sieve plate and manufacturing process thereof

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Application Number Priority Date Filing Date Title
CN201911257765.2A CN111185378A (en) 2019-12-10 2019-12-10 Block type double-layer composite wear-resistant sieve plate and manufacturing process thereof

Publications (1)

Publication Number Publication Date
CN111185378A true CN111185378A (en) 2020-05-22

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2029756A (en) * 1978-09-13 1980-03-26 Litton Systems Inc Manufacture of Abrasion Resistant Screening Member
CA2645317A1 (en) * 2008-11-27 2010-05-27 Pac Mining Pty Ltd Wear resistant screen plate
US20160332822A1 (en) * 2014-01-14 2016-11-17 Thyssenkrupp Industrial Solutions (Usa), Inc. Belt-on-belt conveyor
CN206122154U (en) * 2016-08-22 2017-04-26 郑州大学 Compound dull and stereotyped round -hole punched plate
CN106984539A (en) * 2017-04-10 2017-07-28 北京圣开景科技有限公司 A kind of composite screen mesh and its processing method
CN208853246U (en) * 2018-08-13 2019-05-14 湖南省乌江机筛有限公司 Spliced type polyurethane strips stitch anti-skidding sieve plate
CN209736063U (en) * 2019-03-22 2019-12-06 郑州大学 Wear-resistant sieve plate

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2029756A (en) * 1978-09-13 1980-03-26 Litton Systems Inc Manufacture of Abrasion Resistant Screening Member
CA2645317A1 (en) * 2008-11-27 2010-05-27 Pac Mining Pty Ltd Wear resistant screen plate
US20160332822A1 (en) * 2014-01-14 2016-11-17 Thyssenkrupp Industrial Solutions (Usa), Inc. Belt-on-belt conveyor
CN206122154U (en) * 2016-08-22 2017-04-26 郑州大学 Compound dull and stereotyped round -hole punched plate
CN106984539A (en) * 2017-04-10 2017-07-28 北京圣开景科技有限公司 A kind of composite screen mesh and its processing method
CN208853246U (en) * 2018-08-13 2019-05-14 湖南省乌江机筛有限公司 Spliced type polyurethane strips stitch anti-skidding sieve plate
CN209736063U (en) * 2019-03-22 2019-12-06 郑州大学 Wear-resistant sieve plate

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Application publication date: 20200522